Home / 9,191.92-13,781.16-2,948.38

Finding the Fourth Proportional to 9,191.92, 13,781.16 and 2,948.38

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Solution

The fourth proportional to 9,191.92, 13,781.16 and 2,948.38 is: 4,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.92 : 13,781.16 = 2,948.38 : x
  2. Step 2: Convert to fraction form
    9,191.92/13,781.16 = 2,948.38/x
  3. Step 3: Cross multiply
    9,191.92x = 13,781.16 × 2,948.38
  4. Step 4: Simplify right side
    9,191.92x = 40,632,096.52
  5. Step 5: Solve for x
    x = 40,632,096.52/9,191.92
  6. Step 6: Final answer
    x = 4,420.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.